Gratings in nonlinear optical polymers for integrated optical device applications

Thiemo Kardinahl; Hilmar Franke

doi:10.1117/12.165300

16 December 1993 Gratings in nonlinear optical polymers for integrated optical device applications

Thiemo Kardinahl, Hilmar Franke

Proceedings Volume 2025, Nonlinear Optical Properties of Organic Materials VI; (1993) https://doi.org/10.1117/12.165300
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

The polymer poly(methyl methacrylate) (PMMA) doped with the active photoinitiator dimethoxyphenalacetophenon (DMPA) is a well known material to form permanent gratings by uv-holographie. An additional doping with the photochromic material E-(alpha) (2,5- dimethyl-3-furyl)ethylidene(adamantylidene)succinic anhydride (Aberchrome 670) leads to a one step fabrication of a nonlinear optical grating. After the permanent grating is fixed, the refractive index of the grating can be tuned by a homogenous illumination. The diffraction efficiency of the grating can be tuned because the fulgide Aberchrome 670 undergoes a reversible transition from its bleached to its colored form by homogeneous uv illumination and back again by irradiating the film with a wavelength near the absorption maximum (here (lambda) equals 514.5 nm).

Citation Download Citation

Thiemo Kardinahl and Hilmar Franke "Gratings in nonlinear optical polymers for integrated optical device applications", Proc. SPIE 2025, Nonlinear Optical Properties of Organic Materials VI, (16 December 1993); https://doi.org/10.1117/12.165300

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